Engineer's Day

How many cycles will an AC signal make in 2 seconds if its frequency is 100 Hz?

• 50

• 100

• 150

• 200

What is responsible for the current to flow?

• Proton

• Electron

• Neutron

• Protons and Electrons

The right hand rule for determining the direction of the induced EMF was introduced by

• Faraday

• Maxwell

• Lenz

• Fleming

Length of the cable is doubled, its capacitance C will be

• One-Fourth

• Half

• Double

• No Change

Temporary magnets are used in which of the following ?

• Hoist

• Generator

• Motor

• All Of These

Value of dielectric constant for a material

• Equal to 1

• Greater than 1

• Less than 1

• Zero

The Armature of D.C. generator is laminated for

• Reduce the bulk

• Provide the bulk

• Insulate the core

• reduce eddy current loss

Which of these protect cable against mechanical damage

• Rubber

• bedding

• sheath

• Armouring

Galvanised steel wire is generally used as

• stay wire

• earth wire

• structural components

• All of These

SCR behaves as a _______ switch

• unidirectional

• Bidirectional

• Mechanical

• Non of these